Avery Wade, left, and Mackenzie Odom, right, strike a bubbly pose at the Museum Of 3D Illusions in San Francisco on Tuesday, Feb. 19, 2019. (Randy Vazquez/Bay Area News Group)

Paintings at the Museum of 3D Illusions in San Francisco beg to be Instagrammed. (Randy Vazquez/Bay Area News Group)

Avery Wade makes contact with a painting of Stan Lee at the Museum Of 3D Illusions. (Randy Vazquez/Bay Area News Group)

Mackenzie Odom, left, and Avery Wade, right, are photographed in front of a painting of Lombard Street at the Museum Of 3D Illusions in San Francisco on Tuesday, Feb. 19, 2019. (Randy Vazquez/Bay Area News Group)

Avery Wade, left, and Mackenzie Odom, right, are photographed in a room that makes Avery appear much bigger than Mackenzie at the Museum Of 3D Illusions in San Francisco on Tuesday, Feb. 19, 2019. (Randy Vazquez/Bay Area News Group)

Mackenzie Odom, center, gets her picture taken by Avery Wade at the Museum Of 3D Illusions in San Francisco on Tuesday, Feb. 19, 2019. (Randy Vazquez/Bay Area News Group)

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If you go to the new Museum of 3D Illusions, housed in a double storefront on San Francisco’s Fisherman’s Wharf, try not to step on the people sprawled out on the floor.

Don’t worry, they’re fine. They’re just getting their pictures snapped in front of elaborately painted trompe l’oeil mural backdrops (and floordrops) that — when photographed from a very specific angle — make it appear as if they’re dangling from a skyscraper, escaping outstretched zombie arms or sitting on the fingertip of a giant.

The museum — a term loosened in recent years by attractions like San Francisco’s wildly popular Museum of Ice Cream — is unapologetically promoted as a collection of selfie photo-ops for social media, where you can “take avant-garde pictures where you are the main focus!” and “be the envy of your friends as you share your experience … through pictures!”

That envy will cost you, though. It’s $25 for adults and $10 for kids 6-12 And if you’re really feeling wild, the $100 V.I.P entry comes with a staff photographer to accompany you through the short maze and take the selfies for you, which then, I guess, wouldn’t count as selfies. Someone-else-ies?

Anyway, this is the second Museum of 3D Illusions — the first opened in Los Angeles in 2018. (Not to be confused with the Museum of Illusions in New York, which is a different business.) It’s run by the Big Funny company, with murals hand-painted by artists from around the world.

You’ll find the Museum of 3D Illusions at 55/61 Jefferson St. on Fisherman’s Wharf in San Francisco; www.sfillusions.com.